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12951074742489 = 331336897648839
BaseRepresentation
bin1011110001110110100000…
…1101011010000011011001
31200212002222122222221012000
42330131220031122003121
53144142300113224424
643313350330311213
72504453463644562
oct274355015320331
950762878887160
1012951074742489
11414357a070684
121552008888509
1372c386794bc0
1432ab9a33b169
15176d493393c9
hexbc76835a0d9

12951074742489 has 16 divisors (see below), whose sum is σ = 20662683350400. Its totient is φ = 7969892149008.

The previous prime is 12951074742449. The next prime is 12951074742533. The reversal of 12951074742489 is 98424747015921.

12951074742489 is a `hidden beast` number, since 1 + 2 + 9 + 5 + 10 + 74 + 74 + 2 + 489 = 666.

12951074742489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12951074742489 - 28 = 12951074742233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12951074742449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18448824069 + ... + 18448824770.

It is an arithmetic number, because the mean of its divisors is an integer number (1291417709400).

Almost surely, 212951074742489 is an apocalyptic number.

It is an amenable number.

12951074742489 is a deficient number, since it is larger than the sum of its proper divisors (7711608607911).

12951074742489 is a wasteful number, since it uses less digits than its factorization.

12951074742489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36897648861 (or 36897648855 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 12951074742489 in words is "twelve trillion, nine hundred fifty-one billion, seventy-four million, seven hundred forty-two thousand, four hundred eighty-nine".

Divisors: 1 3 9 13 27 39 117 351 36897648839 110692946517 332078839551 479669434907 996236518653 1439008304721 4317024914163 12951074742489